Gemfile in spree_gateway-3.9.3 vs Gemfile in spree_gateway-3.9.4

@@ -1,6 +1,8 @@
 source 'https://rubygems.org'
 
 gem 'rails-controller-testing'
-gem 'spree', github: 'spree/spree', branch: 'master'
+gem 'spree', github: 'spree/spree', branch: 'main'
+gem 'spree_backend', github: 'spree/spree', branch: 'main'
+gem 'spree_frontend', github: 'spree/spree', branch: 'main'
 
 gemspec